Re: Let's drop some GUCs (bgwriter) - Mailing list pgsql-hackers

From Josh Berkus
Subject Re: Let's drop some GUCs (bgwriter)
Date
Msg-id 200508230850.51870.josh@agliodbs.com
Whole thread Raw
In response to Re: Let's drop some GUCs (bgwriter)  ("Jim C. Nasby" <jnasby@pervasive.com>)
List pgsql-hackers
Jim,

> But have you looked at how this affects response time, especially around
> checkpoints? Testing I've done shows that changing the variables in
> 8.0.3 can markedly reduce the impact of checkpoints. In many
> applications, maintaining low response times is more important than
> overall throughput, and that's where bgwriter tuning currently comes
> into play. Depending on hardware it may not be possible to simplify all
> these into a single number, either.

Hmmm ... can you give me the settings you used?   I'd like to check the 
response times.

--Josh

-- 
Josh Berkus
Aglio Database Solutions
San Francisco


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